package com.wc.AlgoOJ_train.train5_数据结构.c4_二叉树.DS0307_中序后序转先序;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.StringTokenizer;

/**
 * @Author congge
 * @Date 2024/3/26 23:10
 * @description http://43.138.190.70:8888/p/DS0307
 */
public class Main {
    static FastReader sc = new FastReader();
    static PrintWriter out = new PrintWriter(System.out);
    static int N = 1050;
    static int[] la = new int[N];
    static int[] cen = new int[N];
    static int[][] t = new int[N][2];
    static int n;

    public static void main(String[] args) {
        n = sc.nextInt();
        for (int i = 1; i <= n; i++) cen[i] = sc.nextInt();
        for (int i = 1; i <= n; i++) la[i] = sc.nextInt();
        int root = build(1, n, 1, n);
        pre(root);
        out.flush();
    }

    static void pre(int u) {
        if (u == 0) return;
        out.print(u + " ");
        pre(t[u][0]);
        pre(t[u][1]);
    }

    static int build(int lm, int rm, int lp, int rp) {
        if (lm > rm) return 0;
        if (lm == rm) return cen[lm];
        int root = la[rp];
        int rootIdx = 0;
        for (int i = lm; i <= rm; i++) {
            if (root == cen[i]) {
                rootIdx = i;
                break;
            }
        }
        t[root][1] = build(rootIdx + 1, rm, rp - (rm - rootIdx), rp - 1);
        t[root][0] = build(lm, rootIdx - 1, lp, rp - (rm - rootIdx) - 1);
        return root;
    }
}

class FastReader {
    StringTokenizer st;
    BufferedReader br;

    FastReader() {
        br = new BufferedReader(new InputStreamReader(System.in));
    }

    String next() {
        while (st == null || !st.hasMoreElements()) {
            try {
                st = new StringTokenizer(br.readLine());
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return st.nextToken();
    }

    int nextInt() {
        return Integer.parseInt(next());
    }

    String nextLine() {
        String s = "";
        try {
            s = br.readLine();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return s;
    }

    long nextLong() {
        return Long.parseLong(next());
    }

    double nextDouble() {
        return Double.parseDouble(next());
    }

    // 是否由下一个
    boolean hasNext() {
        while (st == null || !st.hasMoreTokens()) {
            try {
                String line = br.readLine();
                if (line == null)
                    return false;
                st = new StringTokenizer(line);
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }
        return true;
    }
}
